/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
 * USB Video Class definitions.
 *
 * Copyright (C) 2009 Laurent Pinchart <laurent.pinchart@skynet.be>
 *
 * This file holds USB constants and structures defined by the USB Device
 * Class Definition for Video Devices. Unless otherwise stated, comments
 * below reference relevant sections of the USB Video Class 1.1 specification
 * available at
 *
 * http://www.usb.org/developers/devclass_docs/USB_Video_Class_1_1.zip
 */

#ifndef __LINUX_USB_VIDEO_H
#define __LINUX_USB_VIDEO_H

#include <linux/types.h>

/* --------------------------------------------------------------------------
 * UVC constants
 */

/* A.2. Video Interface Subclass Codes */
#define UVC_SC_UNDEFINED 0x00
#define UVC_SC_VIDEOCONTROL 0x01
#define UVC_SC_VIDEOSTREAMING 0x02
#define UVC_SC_VIDEO_INTERFACE_COLLECTION 0x03

/* A.3. Video Interface Protocol Codes */
#define UVC_PC_PROTOCOL_UNDEFINED 0x00
#define UVC_PC_PROTOCOL_15 0x01

/* A.5. Video Class-Specific VC Interface Descriptor Subtypes */
#define UVC_VC_DESCRIPTOR_UNDEFINED 0x00
#define UVC_VC_HEADER 0x01
#define UVC_VC_INPUT_TERMINAL 0x02
#define UVC_VC_OUTPUT_TERMINAL 0x03
#define UVC_VC_SELECTOR_UNIT 0x04
#define UVC_VC_PROCESSING_UNIT 0x05
#define UVC_VC_EXTENSION_UNIT 0x06

/* A.6. Video Class-Specific VS Interface Descriptor Subtypes */
#define UVC_VS_UNDEFINED 0x00
#define UVC_VS_INPUT_HEADER 0x01
#define UVC_VS_OUTPUT_HEADER 0x02
#define UVC_VS_STILL_IMAGE_FRAME 0x03
#define UVC_VS_FORMAT_UNCOMPRESSED 0x04
#define UVC_VS_FRAME_UNCOMPRESSED 0x05
#define UVC_VS_FORMAT_MJPEG 0x06
#define UVC_VS_FRAME_MJPEG 0x07
#define UVC_VS_FORMAT_MPEG2TS 0x0a
#define UVC_VS_FORMAT_DV 0x0c
#define UVC_VS_COLORFORMAT 0x0d
#define UVC_VS_FORMAT_FRAME_BASED 0x10
#define UVC_VS_FRAME_FRAME_BASED 0x11
#define UVC_VS_FORMAT_STREAM_BASED 0x12

/* A.7. Video Class-Specific Endpoint Descriptor Subtypes */
#define UVC_EP_UNDEFINED 0x00
#define UVC_EP_GENERAL 0x01
#define UVC_EP_ENDPOINT 0x02
#define UVC_EP_INTERRUPT 0x03

/* A.8. Video Class-Specific Request Codes */
#define UVC_RC_UNDEFINED 0x00
#define UVC_SET_CUR 0x01
#define UVC_GET_CUR 0x81
#define UVC_GET_MIN 0x82
#define UVC_GET_MAX 0x83
#define UVC_GET_RES 0x84
#define UVC_GET_LEN 0x85
#define UVC_GET_INFO 0x86
#define UVC_GET_DEF 0x87

/* A.9.1. VideoControl Interface Control Selectors */
#define UVC_VC_CONTROL_UNDEFINED 0x00
#define UVC_VC_VIDEO_POWER_MODE_CONTROL 0x01
#define UVC_VC_REQUEST_ERROR_CODE_CONTROL 0x02

/* A.9.2. Terminal Control Selectors */
#define UVC_TE_CONTROL_UNDEFINED 0x00

/* A.9.3. Selector Unit Control Selectors */
#define UVC_SU_CONTROL_UNDEFINED 0x00
#define UVC_SU_INPUT_SELECT_CONTROL 0x01

/* A.9.4. Camera Terminal Control Selectors */
#define UVC_CT_CONTROL_UNDEFINED 0x00
#define UVC_CT_SCANNING_MODE_CONTROL 0x01
#define UVC_CT_AE_MODE_CONTROL 0x02
#define UVC_CT_AE_PRIORITY_CONTROL 0x03
#define UVC_CT_EXPOSURE_TIME_ABSOLUTE_CONTROL 0x04
#define UVC_CT_EXPOSURE_TIME_RELATIVE_CONTROL 0x05
#define UVC_CT_FOCUS_ABSOLUTE_CONTROL 0x06
#define UVC_CT_FOCUS_RELATIVE_CONTROL 0x07
#define UVC_CT_FOCUS_AUTO_CONTROL 0x08
#define UVC_CT_IRIS_ABSOLUTE_CONTROL 0x09
#define UVC_CT_IRIS_RELATIVE_CONTROL 0x0a
#define UVC_CT_ZOOM_ABSOLUTE_CONTROL 0x0b
#define UVC_CT_ZOOM_RELATIVE_CONTROL 0x0c
#define UVC_CT_PANTILT_ABSOLUTE_CONTROL 0x0d
#define UVC_CT_PANTILT_RELATIVE_CONTROL 0x0e
#define UVC_CT_ROLL_ABSOLUTE_CONTROL 0x0f
#define UVC_CT_ROLL_RELATIVE_CONTROL 0x10
#define UVC_CT_PRIVACY_CONTROL 0x11

/* A.9.5. Processing Unit Control Selectors */
#define UVC_PU_CONTROL_UNDEFINED 0x00
#define UVC_PU_BACKLIGHT_COMPENSATION_CONTROL 0x01
#define UVC_PU_BRIGHTNESS_CONTROL 0x02
#define UVC_PU_CONTRAST_CONTROL 0x03
#define UVC_PU_GAIN_CONTROL 0x04
#define UVC_PU_POWER_LINE_FREQUENCY_CONTROL 0x05
#define UVC_PU_HUE_CONTROL 0x06
#define UVC_PU_SATURATION_CONTROL 0x07
#define UVC_PU_SHARPNESS_CONTROL 0x08
#define UVC_PU_GAMMA_CONTROL 0x09
#define UVC_PU_WHITE_BALANCE_TEMPERATURE_CONTROL 0x0a
#define UVC_PU_WHITE_BALANCE_TEMPERATURE_AUTO_CONTROL 0x0b
#define UVC_PU_WHITE_BALANCE_COMPONENT_CONTROL 0x0c
#define UVC_PU_WHITE_BALANCE_COMPONENT_AUTO_CONTROL 0x0d
#define UVC_PU_DIGITAL_MULTIPLIER_CONTROL 0x0e
#define UVC_PU_DIGITAL_MULTIPLIER_LIMIT_CONTROL 0x0f
#define UVC_PU_HUE_AUTO_CONTROL 0x10
#define UVC_PU_ANALOG_VIDEO_STANDARD_CONTROL 0x11
#define UVC_PU_ANALOG_LOCK_STATUS_CONTROL 0x12

/* A.9.7. VideoStreaming Interface Control Selectors */
#define UVC_VS_CONTROL_UNDEFINED 0x00
#define UVC_VS_PROBE_CONTROL 0x01
#define UVC_VS_COMMIT_CONTROL 0x02
#define UVC_VS_STILL_PROBE_CONTROL 0x03
#define UVC_VS_STILL_COMMIT_CONTROL 0x04
#define UVC_VS_STILL_IMAGE_TRIGGER_CONTROL 0x05
#define UVC_VS_STREAM_ERROR_CODE_CONTROL 0x06
#define UVC_VS_GENERATE_KEY_FRAME_CONTROL 0x07
#define UVC_VS_UPDATE_FRAME_SEGMENT_CONTROL 0x08
#define UVC_VS_SYNC_DELAY_CONTROL 0x09

/* B.1. USB Terminal Types */
#define UVC_TT_VENDOR_SPECIFIC 0x0100
#define UVC_TT_STREAMING 0x0101

/* B.2. Input Terminal Types */
#define UVC_ITT_VENDOR_SPECIFIC 0x0200
#define UVC_ITT_CAMERA 0x0201
#define UVC_ITT_MEDIA_TRANSPORT_INPUT 0x0202

/* B.3. Output Terminal Types */
#define UVC_OTT_VENDOR_SPECIFIC 0x0300
#define UVC_OTT_DISPLAY 0x0301
#define UVC_OTT_MEDIA_TRANSPORT_OUTPUT 0x0302

/* B.4. External Terminal Types */
#define UVC_EXTERNAL_VENDOR_SPECIFIC 0x0400
#define UVC_COMPOSITE_CONNECTOR 0x0401
#define UVC_SVIDEO_CONNECTOR 0x0402
#define UVC_COMPONENT_CONNECTOR 0x0403

/* 2.4.2.2. Status Packet Type */
#define UVC_STATUS_TYPE_CONTROL 1
#define UVC_STATUS_TYPE_STREAMING 2

/* 2.4.3.3. Payload Header Information */
#define UVC_STREAM_EOH (1 << 7)
#define UVC_STREAM_ERR (1 << 6)
#define UVC_STREAM_STI (1 << 5)
#define UVC_STREAM_RES (1 << 4)
#define UVC_STREAM_SCR (1 << 3)
#define UVC_STREAM_PTS (1 << 2)
#define UVC_STREAM_EOF (1 << 1)
#define UVC_STREAM_FID (1 << 0)

/* 4.1.2. Control Capabilities */
#define UVC_CONTROL_CAP_GET (1 << 0)
#define UVC_CONTROL_CAP_SET (1 << 1)
#define UVC_CONTROL_CAP_DISABLED (1 << 2)
#define UVC_CONTROL_CAP_AUTOUPDATE (1 << 3)
#define UVC_CONTROL_CAP_ASYNCHRONOUS (1 << 4)

/* ------------------------------------------------------------------------
 * UVC structures
 */

/* All UVC descriptors have these 3 fields at the beginning */
struct uvc_descriptor_header {
    __u8 bLength;
    __u8 bDescriptorType;
    __u8 bDescriptorSubType;
} __attribute__((packed));

/* 3.7.2. Video Control Interface Header Descriptor */
struct uvc_header_descriptor {
    __u8 bLength;
    __u8 bDescriptorType;
    __u8 bDescriptorSubType;
    __le16 bcdUVC;
    __le16 wTotalLength;
    __le32 dwClockFrequency;
    __u8 bInCollection;
    __u8 baInterfaceNr[];
} __attribute__((__packed__));

#define UVC_DT_HEADER_SIZE(n) (12 + (n))

#define UVC_HEADER_DESCRIPTOR(n) uvc_header_descriptor_##n

#define DECLARE_UVC_HEADER_DESCRIPTOR(n)                                                                               \
    struct UVC_HEADER_DESCRIPTOR(n) {                                                                                  \
        __u8 bLength;                                                                                                  \
        __u8 bDescriptorType;                                                                                          \
        __u8 bDescriptorSubType;                                                                                       \
        __le16 bcdUVC;                                                                                                 \
        __le16 wTotalLength;                                                                                           \
        __le32 dwClockFrequency;                                                                                       \
        __u8 bInCollection;                                                                                            \
        __u8 baInterfaceNr[n];                                                                                         \
    } __attribute__((packed))

/* 3.7.2.1. Input Terminal Descriptor */
struct uvc_input_terminal_descriptor {
    __u8 bLength;
    __u8 bDescriptorType;
    __u8 bDescriptorSubType;
    __u8 bTerminalID;
    __le16 wTerminalType;
    __u8 bAssocTerminal;
    __u8 iTerminal;
} __attribute__((__packed__));

#define UVC_DT_INPUT_TERMINAL_SIZE 8

/* 3.7.2.2. Output Terminal Descriptor */
struct uvc_output_terminal_descriptor {
    __u8 bLength;
    __u8 bDescriptorType;
    __u8 bDescriptorSubType;
    __u8 bTerminalID;
    __le16 wTerminalType;
    __u8 bAssocTerminal;
    __u8 bSourceID;
    __u8 iTerminal;
} __attribute__((__packed__));

#define UVC_DT_OUTPUT_TERMINAL_SIZE 9

/* 3.7.2.3. Camera Terminal Descriptor */
struct uvc_camera_terminal_descriptor {
    __u8 bLength;
    __u8 bDescriptorType;
    __u8 bDescriptorSubType;
    __u8 bTerminalID;
    __le16 wTerminalType;
    __u8 bAssocTerminal;
    __u8 iTerminal;
    __le16 wObjectiveFocalLengthMin;
    __le16 wObjectiveFocalLengthMax;
    __le16 wOcularFocalLength;
    __u8 bControlSize;
    __u8 bmControls[3];
} __attribute__((__packed__));

#define UVC_DT_CAMERA_TERMINAL_SIZE(n) (15 + (n))

/* 3.7.2.4. Selector Unit Descriptor */
struct uvc_selector_unit_descriptor {
    __u8 bLength;
    __u8 bDescriptorType;
    __u8 bDescriptorSubType;
    __u8 bUnitID;
    __u8 bNrInPins;
    __u8 baSourceID[0];
    __u8 iSelector;
} __attribute__((__packed__));

#define UVC_DT_SELECTOR_UNIT_SIZE(n) (6 + (n))

#define UVC_SELECTOR_UNIT_DESCRIPTOR(n) uvc_selector_unit_descriptor_##n

#define DECLARE_UVC_SELECTOR_UNIT_DESCRIPTOR(n)                                                                        \
    struct UVC_SELECTOR_UNIT_DESCRIPTOR(n) {                                                                           \
        __u8 bLength;                                                                                                  \
        __u8 bDescriptorType;                                                                                          \
        __u8 bDescriptorSubType;                                                                                       \
        __u8 bUnitID;                                                                                                  \
        __u8 bNrInPins;                                                                                                \
        __u8 baSourceID[n];                                                                                            \
        __u8 iSelector;                                                                                                \
    } __attribute__((packed))

/* 3.7.2.5. Processing Unit Descriptor */
struct uvc_processing_unit_descriptor {
    __u8 bLength;
    __u8 bDescriptorType;
    __u8 bDescriptorSubType;
    __u8 bUnitID;
    __u8 bSourceID;
    __le16 wMaxMultiplier;
    __u8 bControlSize;
    __u8 bmControls[2];
    __u8 iProcessing;
    __u8 bmVideoStandards;
} __attribute__((__packed__));

#define UVC_DT_PROCESSING_UNIT_SIZE(n) (10 + (n))

/* 3.7.2.6. Extension Unit Descriptor */
struct uvc_extension_unit_descriptor {
    __u8 bLength;
    __u8 bDescriptorType;
    __u8 bDescriptorSubType;
    __u8 bUnitID;
    __u8 guidExtensionCode[16];
    __u8 bNumControls;
    __u8 bNrInPins;
    __u8 baSourceID[0];
    __u8 bControlSize;
    __u8 bmControls[0];
    __u8 iExtension;
} __attribute__((__packed__));

#define UVC_DT_EXTENSION_UNIT_SIZE(p, n) (24 + (p) + (n))

#define UVC_EXTENSION_UNIT_DESCRIPTOR(p, n) uvc_extension_unit_descriptor_##p_##n

#define DECLARE_UVC_EXTENSION_UNIT_DESCRIPTOR(p, n)                                                                    \
    struct UVC_EXTENSION_UNIT_DESCRIPTOR(p, n) {                                                                       \
        __u8 bLength;                                                                                                  \
        __u8 bDescriptorType;                                                                                          \
        __u8 bDescriptorSubType;                                                                                       \
        __u8 bUnitID;                                                                                                  \
        __u8 guidExtensionCode[16];                                                                                    \
        __u8 bNumControls;                                                                                             \
        __u8 bNrInPins;                                                                                                \
        __u8 baSourceID[p];                                                                                            \
        __u8 bControlSize;                                                                                             \
        __u8 bmControls[n];                                                                                            \
        __u8 iExtension;                                                                                               \
    } __attribute__((packed))

/* 3.8.2.2. Video Control Interrupt Endpoint Descriptor */
struct uvc_control_endpoint_descriptor {
    __u8 bLength;
    __u8 bDescriptorType;
    __u8 bDescriptorSubType;
    __le16 wMaxTransferSize;
} __attribute__((__packed__));

#define UVC_DT_CONTROL_ENDPOINT_SIZE 5

/* 3.9.2.1. Input Header Descriptor */
struct uvc_input_header_descriptor {
    __u8 bLength;
    __u8 bDescriptorType;
    __u8 bDescriptorSubType;
    __u8 bNumFormats;
    __le16 wTotalLength;
    __u8 bEndpointAddress;
    __u8 bmInfo;
    __u8 bTerminalLink;
    __u8 bStillCaptureMethod;
    __u8 bTriggerSupport;
    __u8 bTriggerUsage;
    __u8 bControlSize;
    __u8 bmaControls[];
} __attribute__((__packed__));

#define UVC_DT_INPUT_HEADER_SIZE(n, p) (13 + ((n) * (p)))

#define UVC_INPUT_HEADER_DESCRIPTOR(n, p) uvc_input_header_descriptor_##n_##p

#define DECLARE_UVC_INPUT_HEADER_DESCRIPTOR(n, p)                                                                      \
    struct UVC_INPUT_HEADER_DESCRIPTOR(n, p) {                                                                         \
        __u8 bLength;                                                                                                  \
        __u8 bDescriptorType;                                                                                          \
        __u8 bDescriptorSubType;                                                                                       \
        __u8 bNumFormats;                                                                                              \
        __le16 wTotalLength;                                                                                           \
        __u8 bEndpointAddress;                                                                                         \
        __u8 bmInfo;                                                                                                   \
        __u8 bTerminalLink;                                                                                            \
        __u8 bStillCaptureMethod;                                                                                      \
        __u8 bTriggerSupport;                                                                                          \
        __u8 bTriggerUsage;                                                                                            \
        __u8 bControlSize;                                                                                             \
        __u8 bmaControls[p][n];                                                                                        \
    } __attribute__((packed))

/* 3.9.2.2. Output Header Descriptor */
struct uvc_output_header_descriptor {
    __u8 bLength;
    __u8 bDescriptorType;
    __u8 bDescriptorSubType;
    __u8 bNumFormats;
    __le16 wTotalLength;
    __u8 bEndpointAddress;
    __u8 bTerminalLink;
    __u8 bControlSize;
    __u8 bmaControls[];
} __attribute__((__packed__));

#define UVC_DT_OUTPUT_HEADER_SIZE(n, p) (9 + ((n) * (p)))

#define UVC_OUTPUT_HEADER_DESCRIPTOR(n, p) uvc_output_header_descriptor_##n_##p

#define DECLARE_UVC_OUTPUT_HEADER_DESCRIPTOR(n, p)                                                                     \
    struct UVC_OUTPUT_HEADER_DESCRIPTOR(n, p) {                                                                        \
        __u8 bLength;                                                                                                  \
        __u8 bDescriptorType;                                                                                          \
        __u8 bDescriptorSubType;                                                                                       \
        __u8 bNumFormats;                                                                                              \
        __le16 wTotalLength;                                                                                           \
        __u8 bEndpointAddress;                                                                                         \
        __u8 bTerminalLink;                                                                                            \
        __u8 bControlSize;                                                                                             \
        __u8 bmaControls[p][n];                                                                                        \
    } __attribute__((packed))

/* 3.9.2.6. Color matching descriptor */
struct uvc_color_matching_descriptor {
    __u8 bLength;
    __u8 bDescriptorType;
    __u8 bDescriptorSubType;
    __u8 bColorPrimaries;
    __u8 bTransferCharacteristics;
    __u8 bMatrixCoefficients;
} __attribute__((__packed__));

#define UVC_DT_COLOR_MATCHING_SIZE 6

/* 4.3.1.1. Video Probe and Commit Controls */
struct uvc_streaming_control {
    __u16 bmHint;
    __u8 bFormatIndex;
    __u8 bFrameIndex;
    __u32 dwFrameInterval;
    __u16 wKeyFrameRate;
    __u16 wPFrameRate;
    __u16 wCompQuality;
    __u16 wCompWindowSize;
    __u16 wDelay;
    __u32 dwMaxVideoFrameSize;
    __u32 dwMaxPayloadTransferSize;
    __u32 dwClockFrequency;
    __u8 bmFramingInfo;
    __u8 bPreferedVersion;
    __u8 bMinVersion;
    __u8 bMaxVersion;
} __attribute__((__packed__));

/* Uncompressed Payload - 3.1.1. Uncompressed Video Format Descriptor */
struct uvc_format_uncompressed {
    __u8 bLength;
    __u8 bDescriptorType;
    __u8 bDescriptorSubType;
    __u8 bFormatIndex;
    __u8 bNumFrameDescriptors;
    __u8 guidFormat[16];
    __u8 bBitsPerPixel;
    __u8 bDefaultFrameIndex;
    __u8 bAspectRatioX;
    __u8 bAspectRatioY;
    __u8 bmInterfaceFlags;
    __u8 bCopyProtect;
} __attribute__((__packed__));

#define UVC_DT_FORMAT_UNCOMPRESSED_SIZE 27

/* Uncompressed Payload - 3.1.2. Uncompressed Video Frame Descriptor */
struct uvc_frame_uncompressed {
    __u8 bLength;
    __u8 bDescriptorType;
    __u8 bDescriptorSubType;
    __u8 bFrameIndex;
    __u8 bmCapabilities;
    __le16 wWidth;
    __le16 wHeight;
    __le32 dwMinBitRate;
    __le32 dwMaxBitRate;
    __le32 dwMaxVideoFrameBufferSize;
    __le32 dwDefaultFrameInterval;
    __u8 bFrameIntervalType;
    __le32 dwFrameInterval[];
} __attribute__((__packed__));

#define UVC_DT_FRAME_UNCOMPRESSED_SIZE(n) (26 + 4 * (n))

#define UVC_FRAME_UNCOMPRESSED(n) uvc_frame_uncompressed_##n

#define DECLARE_UVC_FRAME_UNCOMPRESSED(n)                                                                              \
    struct UVC_FRAME_UNCOMPRESSED(n) {                                                                                 \
        __u8 bLength;                                                                                                  \
        __u8 bDescriptorType;                                                                                          \
        __u8 bDescriptorSubType;                                                                                       \
        __u8 bFrameIndex;                                                                                              \
        __u8 bmCapabilities;                                                                                           \
        __le16 wWidth;                                                                                                 \
        __le16 wHeight;                                                                                                \
        __le32 dwMinBitRate;                                                                                           \
        __le32 dwMaxBitRate;                                                                                           \
        __le32 dwMaxVideoFrameBufferSize;                                                                              \
        __le32 dwDefaultFrameInterval;                                                                                 \
        __u8 bFrameIntervalType;                                                                                       \
        __le32 dwFrameInterval[n];                                                                                     \
    } __attribute__((packed))

/* MJPEG Payload - 3.1.1. MJPEG Video Format Descriptor */
struct uvc_format_mjpeg {
    __u8 bLength;
    __u8 bDescriptorType;
    __u8 bDescriptorSubType;
    __u8 bFormatIndex;
    __u8 bNumFrameDescriptors;
    __u8 bmFlags;
    __u8 bDefaultFrameIndex;
    __u8 bAspectRatioX;
    __u8 bAspectRatioY;
    __u8 bmInterfaceFlags;
    __u8 bCopyProtect;
} __attribute__((__packed__));

#define UVC_DT_FORMAT_MJPEG_SIZE 11

/* MJPEG Payload - 3.1.2. MJPEG Video Frame Descriptor */
struct uvc_frame_mjpeg {
    __u8 bLength;
    __u8 bDescriptorType;
    __u8 bDescriptorSubType;
    __u8 bFrameIndex;
    __u8 bmCapabilities;
    __le16 wWidth;
    __le16 wHeight;
    __le32 dwMinBitRate;
    __le32 dwMaxBitRate;
    __le32 dwMaxVideoFrameBufferSize;
    __le32 dwDefaultFrameInterval;
    __u8 bFrameIntervalType;
    __le32 dwFrameInterval[];
} __attribute__((__packed__));

#define UVC_DT_FRAME_MJPEG_SIZE(n) (26 + 4 * (n))

#define UVC_FRAME_MJPEG(n) uvc_frame_mjpeg_##n

#define DECLARE_UVC_FRAME_MJPEG(n)                                                                                     \
    struct UVC_FRAME_MJPEG(n) {                                                                                        \
        __u8 bLength;                                                                                                  \
        __u8 bDescriptorType;                                                                                          \
        __u8 bDescriptorSubType;                                                                                       \
        __u8 bFrameIndex;                                                                                              \
        __u8 bmCapabilities;                                                                                           \
        __le16 wWidth;                                                                                                 \
        __le16 wHeight;                                                                                                \
        __le32 dwMinBitRate;                                                                                           \
        __le32 dwMaxBitRate;                                                                                           \
        __le32 dwMaxVideoFrameBufferSize;                                                                              \
        __le32 dwDefaultFrameInterval;                                                                                 \
        __u8 bFrameIntervalType;                                                                                       \
        __le32 dwFrameInterval[n];                                                                                     \
    } __attribute__((packed))

/* Frame Based Payload - 3.1.1. Frame Based Video Format Descriptor */
struct uvc_format_framebased {
    __u8 bLength;
    __u8 bDescriptorType;
    __u8 bDescriptorSubType;
    __u8 bFormatIndex;
    __u8 bNumFrameDescriptors;
    __u8 guidFormat[16];
    __u8 bBitsPerPixel;
    __u8 bDefaultFrameIndex;
    __u8 bAspectRatioX;
    __u8 bAspectRatioY;
    __u8 bmInterfaceFlags;
    __u8 bCopyProtect;
    __u8 bVariableSize;
} __attribute__((__packed__));

#define UVC_DT_FORMAT_FRAMEBASED_SIZE 28

/* Frame Based Payload - 3.1.2. Frame Based Video Frame Descriptor */
struct uvc_frame_framebased {
    __u8 bLength;
    __u8 bDescriptorType;
    __u8 bDescriptorSubType;
    __u8 bFrameIndex;
    __u8 bmCapabilities;
    __u16 wWidth;
    __u16 wHeight;
    __u32 dwMinBitRate;
    __u32 dwMaxBitRate;
    __u32 dwDefaultFrameInterval;
    __u8 bFrameIntervalType;
    __u32 dwBytesPerLine;
    __u32 dwFrameInterval[];
} __attribute__((__packed__));

#define UVC_DT_FRAME_FRAMEBASED_SIZE(n) (26 + 4 * (n))

#define UVC_FRAME_FRAMEBASED(n) uvc_frame_framebased_##n

#define DECLARE_UVC_FRAME_FRAMEBASED(n)                                                                                \
    struct UVC_FRAME_FRAMEBASED(n) {                                                                                   \
        __u8 bLength;                                                                                                  \
        __u8 bDescriptorType;                                                                                          \
        __u8 bDescriptorSubType;                                                                                       \
        __u8 bFrameIndex;                                                                                              \
        __u8 bmCapabilities;                                                                                           \
        __u16 wWidth;                                                                                                  \
        __u16 wHeight;                                                                                                 \
        __u32 dwMinBitRate;                                                                                            \
        __u32 dwMaxBitRate;                                                                                            \
        __u32 dwDefaultFrameInterval;                                                                                  \
        __u8 bFrameIntervalType;                                                                                       \
        __u32 dwBytesPerLine;                                                                                          \
        __u32 dwFrameInterval[n];                                                                                      \
    } __attribute__((packed))

#endif /* __LINUX_USB_VIDEO_H */
